A staff member loads a piece of welded steel rail to a carrier vehicle at Wuhu North Rail Welding Base in Wuhu, east China's Anhui Province, Aug. 5, 2016. Workers at Wuhu North Rail Welding Base are responsible for welding five 100-meter-long rails into a 500-meter-long railroad track. Since the base was established in 2009, more than 8,300-kilometer-long steel rails, most of which have been used in high-speed railways, have been welded here. (Xinhua/Liu Junxi)
